Dual-output boost regulator uses 150-nA IQ, adds life to battery

The TS3310 dual-output boost regulator. consumes only 150-nA supply current (I_Q ). The chip features an always-on output or an instant-on output. The always-on output suits powering a microcontroller, enabling long battery life by minimizing battery drain during sleep mode. The instant-on output targets powering a short-burst load, such as a ZigBee or Bluetooth radio.

The boost regulator operates from 0.9 to 3.6 V and delivers at least 50-mA continuous output current. The chip can be powered from a wide variety of power sources including tiny button cells, single or multiple-cell alkaline cells, or single Li-chemistry batteries. The regulator’s output voltage range can be user-set from 1.8 to 5 V to power a wide range of microcontrollers, low-power analog circuits, and radio burst loads simultaneously. It can also charge up a buffer capacitor to provide large burst currents to high-power radios or other peripherals.